Data Processing Agreement
Last updated: January 30, 2025
Overview
This page provides information about data processing in connection with CalNexus and how HanseNexus GmbH handles your data as a processor under the General Data Protection Regulation (GDPR).
CalNexus as Data Processor
When you use CalNexus, you (the user) are the data controller of your calendar data, and HanseNexus GmbH acts as the data processor. This means:
- Data Controller: You determine what calendar data is collected and for what purposes
- Data Processor: We process your calendar data solely on your behalf and according to your instructions
- Processing: We do not use your data for our own purposes (except as necessary to provide the service)
Sub-Processors
To provide CalNexus, we engage the following sub-processors who may access or process your data:
Convex
Service: Database and backend infrastructure
Location: United States
Safeguards: EU-US Data Privacy Framework, Standard Contractual Clauses
Stripe
Service: Payment processing
Location: United States, Ireland
Safeguards: GDPR compliant, Standard Contractual Clauses
Google LLC
Service: OAuth authentication, Calendar API integration
Location: United States, Europe
Safeguards: GDPR compliant, EU-US Data Privacy Framework
Vercel Inc.
Service: Application hosting and CDN
Location: United States, Europe
Safeguards: GDPR compliant, Standard Contractual Clauses
All sub-processors are bound by data processing agreements that comply with GDPR Article 28 requirements.
Data Processing Locations
Your data may be processed in the following locations:
- European Union (primary data storage)
- United States (infrastructure and sub-processors with GDPR safeguards)
All international data transfers are protected by Standard Contractual Clauses (SCCs) or equivalent mechanisms approved by the European Commission.
Security Measures
We implement appropriate technical and organizational measures to ensure data security, including:
- Encryption in transit (TLS 1.3) and at rest (AES-256)
- Access controls and authentication
- Regular security audits
- Incident response procedures
- Employee confidentiality obligations
- Data minimization and pseudonymization where applicable
Our Obligations as Processor
As your data processor, we commit to:
- Process data only as instructed by you
- Ensure confidentiality of data
- Implement appropriate security measures
- Assist with data subject rights requests
- Assist with data protection impact assessments if required
- Delete or return data upon termination of service
- Make available all information necessary to demonstrate compliance
Data Subject Rights
You have the right to access, rectify, erase, restrict, port, and object to the processing of your personal data. To exercise these rights, see our Privacy Policy or contact service@hansenexus.de.
Data Breach Notification
In the event of a personal data breach, we will notify you without undue delay and within 72 hours of becoming aware of the breach, providing all necessary information to meet your GDPR obligations.
Requesting a Formal DPA
If you are a business customer or require a formal Data Processing Agreement for compliance purposes, please contact us:
Email: service@hansenexus.de
Subject: Data Processing Agreement Request
Please include your company name, contact information, and any specific requirements.
Contact
For questions about data processing or to exercise your rights:
service@hansenexus.de
HanseNexus GmbH, Eidelstedter Weg 2, 20255 Hamburg, Germany